* vm.c (invoke_block_from_c_splattable): pass lambda-ness. * vm_eval.c (yield_under): invoke lambda proc properly. [ruby-core:78917] [Bug #13090] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57240 b2dd03c8-39d4-4d8f-98ff-823fe69b080e